flutter::TesterContextMTL Class Reference

Inheritance diagram for flutter::TesterContextMTL:

Public Member Functions
	TesterContextMTL ()=default
	~TesterContextMTL () override
bool	Initialize ()
std::shared_ptr< impeller::Context >	GetImpellerContext () const override
std::unique_ptr< Surface >	CreateRenderingSurface () override
Public Member Functions inherited from flutter::TesterContext
virtual	~TesterContext ()=default

Detailed Description

Definition at line 73 of file tester_context_mtl_factory.mm.

Constructor & Destructor Documentation

TesterContextMTL()

flutter::TesterContextMTL::TesterContextMTL ( )

default

~TesterContextMTL()

flutter::TesterContextMTL::~TesterContextMTL ( )

inlineoverride

Definition at line 77 of file tester_context_mtl_factory.mm.

                               {
    if (context_) {
      context_->Shutdown();
    }
  }

Member Function Documentation

CreateRenderingSurface()

std::unique_ptr< Surface > flutter::TesterContextMTL::CreateRenderingSurface ( )

inlineoverridevirtual

Implements flutter::TesterContext.

Definition at line 111 of file tester_context_mtl_factory.mm.

                                                           {
    auto surface = std::make_unique<GPUSurfaceMetalImpeller>(delegate_.get(), aiks_context_);
    if (!surface->IsValid()) {
      return nullptr;
    }
    return surface;
  }

References surface.

GetImpellerContext()

std::shared_ptr< impeller::Context > flutter::TesterContextMTL::GetImpellerContext ( ) const

inlineoverridevirtual

Implements flutter::TesterContext.

Definition at line 108 of file tester_context_mtl_factory.mm.

{ return context_; }

Initialize()

bool flutter::TesterContextMTL::Initialize ( )

inline

Definition at line 83 of file tester_context_mtl_factory.mm.

                    {
    std::vector<std::shared_ptr<fml::Mapping>> shader_mappings = ShaderLibraryMappings();
    auto sync_switch = std::make_shared<fml::SyncSwitch>(false);
    context_ = impeller::ContextMTL::Create(impeller::Flags{}, shader_mappings, sync_switch,
                                            "Impeller Library");
 
    if (!context_ || !context_->IsValid()) {
      VALIDATION_LOG << "Could not create Metal context.";
      return false;
    }
 
    auto device = context_->GetMTLDevice();
    if (!device) {
      VALIDATION_LOG << "Could not get Metal device.";
      return false;
    }
 
    delegate_ = std::make_unique<TesterGPUSurfaceMetalDelegate>(device);
    aiks_context_ = std::make_shared<impeller::AiksContext>(
        context_, /*typographer_context=*/impeller::TypographerContextSkia::Make());
 
    return true;
  }

References impeller::ContextMTL::Create(), device, impeller::TypographerContextSkia::Make(), and VALIDATION_LOG.

---

The documentation for this class was generated from the following file:

• shell/testing/tester_context_mtl_factory.mm